Finding the Third Proportional to 4,114.55 and 9,155.53

Step by Step Solution

1. Step 1: Write the proportion equation
   4,114.55 : 9,155.53 = 9,155.53 : x
2. Step 2: Convert to fraction form
   4,114.55/9,155.53 = 9,155.53/x
3. Step 3: Cross multiply
   4,114.55x = 9,155.53 × 9,155.53
4. Step 4: Simplify right side
   4,114.55x = 83,823,752.47
5. Step 5: Solve for x
   x = 83,823,752.47/4,114.55
6. Step 6: Final answer
   x = 20,372.54